By Deirdre Horan | 2025-05-08
Order by: Trending (past 30 days)Date
On 05/08/2025 11:22 am by Jim Militello | Tucson, Arizona USA
Hydrogen alpha image of the Sun showing active region 4079 with sunspots, filaments, and some nice prominence.
Coronado SolarMax 90 Ha solar telescope, ZWO ASI183mm video camera.
The image is a stack of 40 video frames processed with Autostakkert, Registax, Photoshop.
